Răspunsuri

  • Utilizator Brainly
2014-03-30T19:49:34+03:00
0,25a=0,2b ⇒ a/4=b/5=k, a=4k, b=5k;
12k+10k-6=60 ⇒ 22k=66, k=3;
a=12, b=15.